Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If that didn’t happen to you, at least you’ve already had that apprehension. So when you listen to an alternator noise on Volkswagen Lupo, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this post to support you locate the sources of alternator sounds. In this article, you will first see the role and operation of the alternator in your Volkswagen Lupo and then what the causes and solutions to alternator noise on Volkswagen Lupo may be.
Role and alternator operation Volkswagen Lupo
Alternator role
Your alternator is an fundamental component of your Volkswagen Lupo. In fact, its mission is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of charging the battery once the automobile is in motion, to provide power to the automobile in motion and to let you to always have a enough energy source to be able to restart the next time.
Alternator functioning
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The alternator works on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while rotating produces electricity. It is the engine motor itself that will provide the energy requested by the alternator to create the energy, via the accessory belt or alternator belt. When your Volkswagen Lupo engine stops, the battery takes over to provide the automobile with energy.
What are the distinctive alternator noises or sounds on my Volkswagen Lupo and what are the causes?
I perceive a knocking noise from the alternator of my Volkswagen Lupo
One of the typical noises of a tired alternator on Volkswagen Lupo is a knocking noise. This alternator sound on Volkswagen Lupo will generally occur when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical components such as headlights for example. In general, it is a of both bearings of the alternator that is malfunctioning, to examine it, use a multimeter on the terminals of your automobile with the engine running and you must look for a value between 12 and 14.7 volts, which means that your alternator is charging your battery well. If the value is lower, the alternator of your Volkswagen Lupo is tired and you should think about changing the bearing if it is the only cause otherwise the entire part.
I listen to a grinding noise coming from the alternator of my Volkswagen Lupo
If you are in the case where the alternator of your Volkswagen Lupo causes grinding sounds, in this case you will have to look into it more seriously. This indicator can testify as for the knocking sound of a tired bearing, however , usually, we often realise by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we recommend that you look for advice this article to find all the necessary information to solve an accessory belt noise on Volkswagen Lupo.
I listen to a loud noise from the alternator of my Volkswagen Lupo
Experiencing a loud noise from the alternator of your Volkswagen Lupo is quite regular, in fact, it emits an audible sound when producing the electrical pulses it generates. It is up to you to examine that the battery indicator light on your dashboard does not show up, and that you do not have a voltage drop when your engine is running (headlight or dashboard light that jumps for example. If this noise is too loud, we recommend that you read this article to find other ways to solve problem of noises from front end on Volkswagen Lupo.
